Title :
Brillouin echo-distributed sensing based on differential phase-shift keying technique
Author :
Lee, Min Won ; Stiller, Birgit ; Hauden, Jérôme ; Maillotte, Hervé ; Thévenaz, Luc ; Sylvestre, Thibaut
Author_Institution :
Inst. FEMTO-ST, Univ. de Franche-Comte, Besançon, France
Abstract :
In this letter, we demonstrate experimentally Brillouin echo-distributed sensing based on differential phase-shift keying technique. A positive and negative pulse is applied to a single Mach-Zehnder modulator to achieve a resolution of 5 cm.
Keywords :
Mach-Zehnder interferometers; differential phase shift keying; distributed sensors; echo; Brillouin echo-distributed sensing; Mach-Zehnder modulator; differential phase shift keying; Optical modulation; Optical pulses; Optical pumping; Optical sensors; Scattering; Spatial resolution;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
